IJEnumerable<T>
Represents a collection of  JToken objects.
            
                using System.Collections;
using System.Collections.Generic;
namespace Newtonsoft.Json.Linq
{
    public interface IJEnumerable<out T> : IEnumerable<T>, IEnumerable where T : JToken
    {
        IJEnumerable<JToken> this[object key] { get; }
    }
}